Mathematics
Junior High
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日本檢測:第1~4.題每題5分,第10、11.題每題7分,其餘每題6分,共64分
11. 若△ABC為等腰三角形,其中AB=4公分, BC=9公分,則AC為多少公分?
(A) 4
(B)9
(C)4或9
(D)7
日 H點在RC上,則下列敘述
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